Keystones — Lintel
Five GCSE retrieval questions · 15 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄5 = 5.8
Answer: x = 29 -
3. Geometry
Adjacent = 12cm, hypotenuse = 19cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify: 8:4:12
Answer: 2:1:3 -
5. Statistics
A spinner has 4 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄3